package com.cloud.lesson.service;

import cn.hutool.core.util.IdUtil;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixCommand;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixProperty;
import org.springframework.cloud.commons.util.IdUtils;
import org.springframework.stereotype.Service;
import org.springframework.web.bind.annotation.PathVariable;

import java.util.concurrent.TimeUnit;

/**
 * @author: Mr.Lai
 * @createTime: 2021/01/08
 * @classNote:
 **/
@Service
public class PaymentService {
    /**
     *create by Mr.LXH
     *@date 2021/1/8 0008 16:25
     *@param id
     *@return
     *explain:正常访问 ok
     **/
    public String paymentInfo_OK(Integer id){
        return "线程池: "+Thread.currentThread().getName()+" paymentInfo_OK,id: "+id+"\t"+"O(∩_∩)O哈哈~";
    }

    @HystrixCommand(fallbackMethod = "paymentInfo_TimeOutHandler",commandProperties = {
            @HystrixProperty(name = "execution.isolation.thread.timeoutInMilliseconds",value = "5000")
    })
    public String paymentInfo_TimeOut(Integer id){

        int age = 10/0;
//        try {
//            TimeUnit.MILLISECONDS.sleep(6000);
//        }catch (InterruptedException e){
//            e.printStackTrace();
//        }
        return "线程池: "+Thread.currentThread().getName()+" id: "+id+"\t"+"O(∩_∩)O哈哈~";
    }


    public String paymentInfo_TimeOutHandler(Integer id){
        return "线程池: "+Thread.currentThread().getName()+
                " 我是生产者8001,系统繁忙或者运行报错,请稍后再试,id: "+id+"\t"+"o(╥﹏╥)o";
    }

    //服务熔断
    @HystrixCommand(fallbackMethod = "paymentCircuitBreaker_fallback",commandProperties = {
            @HystrixProperty(name = "circuitBreaker.enabled",value = "true"), // 是否开启断路器
            @HystrixProperty(name = "circuitBreaker.requestVolumeThreshold",value = "10"), // 请求次数
            @HystrixProperty(name = "circuitBreaker.sleepWindowInMilliseconds",value = "10000"), // 时间窗口期
            @HystrixProperty(name = "circuitBreaker.errorThresholdPercentage",value = "60"), // 失败率达到多少后跳闸
    })
    public String paymentCircuitBreaker(@PathVariable("id") Integer id){
        if(id  < 0){
            throw new RuntimeException("***id 不能负数");
        }
        String serialNumber = IdUtil.simpleUUID();
        return Thread.currentThread().getName()+"\t"+"调用成功,流水号"+serialNumber;
    }

    public String paymentCircuitBreaker_fallback(@PathVariable("id") Integer id){
        return "id 不能负数,请稍后再试,o(╥﹏╥)o id:"+id;
    }




}
